Index talk:Manufacture Of Soda by Hou Te-Pang.pdf

But wrong year and missing some plates...

Manufacture of soda, with special reference to the ammonia process; a practical treatise, by Te-Pang Hou...with 129 tables and 72 illustrations... New York, the Chemical catalog company, Inc., 1933. 

Shenme (talk) 20:01, 31 August 2021 (UTC)